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Water pollution is the pollution of bodies of water, such as lakes, rivers, seas, the oceans, as well as groundwater. [1] It occurs when pollutants reach these bodies of water, without treatment. Waste from homes, factories and other buildings get into the water bodies and as a result water gets contaminated.
Raw sewage and industrial waste in the New River as it passes from Mexicali to Calexico, California
By-products of copper color this stream blue.
Water pollution is a problem for the species and ecosystems there. It affects plants and organisms living in the water. In almost all cases the effect is damaging not only to individual species and populations, but also to the wider biological communities. The color is usually green or brown but normal water can be blue.
Agriculture is one of the major sources of water pollution. The fertilizers given to the crops for better growth are washed into rivers and lakes, which in turn pollutes the water.
There are many chemicals that are naturally found in these bodies of water. Today water may be polluted by nitrates, phosphates, oil, acid rain, and debris such as sediment, fallen logs and so on. When people and animals drink water from such rivers, the poisonous chemicals may affect them. Life in rivers are also affected, and humans who consume fish may also have health problems.
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Explanation:
Water is man’s basic need for survival. Life without water is unimaginable. Water is a significant element that cannot be replaced with any other elements. Water pollution is a serious environmental issue around the world and has lead to severe implications.
Water pollution occurs when contaminants like agricultural and toxic industrial wastes or other residues, mix in water bodies like lakes, rivers, underground water, and oceans. The contaminants dissolved in water becomes unfit for consumption. The toxic components emitted from factories make the surrounding water warm, and the atmosphere hotter as well.
Polluted water bodies, whether clean or dirty, contain chemicals, toxic substances, and germs that cause illness, such as cholera, dysentery, Tuberculosis, and other abdominal diseases in humans. Contaminated water also carries worms such as roundworms and tapeworms that causes various diseases inside the human body.
Many countries are now facing crises due to water pollution, and portable water is now a long run commodity. Many multinational companies are taking the appropriate measures for marketing potable mineral water in tropical countries.